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17 Apr 2026
Collector's Choice: JumpHourKing Ruud van Rijn Talks Jump Hour Watches
Ruud van Rijn (@jumphourking) featured in Swisswatches Magazine's Collector's Choice series, discussing his 25+ year journey with jump hour watches...
20 Aug 2024
DeRhenum on Watching Magazine
We’re excited to share some great news! The founder of deRhenum Watches, Ruud van Rijn, has been featured in the...